Method of predicting the approaching stall of an aircraft wing

Details Method of predicting the approaching stall of an aircraft wing Method of predicting the approaching stall of an aircraft wing

1980-12-22

1984-03-06

Crosland, Donnie Lee

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

244194, 73147, 73178R, 324 65R, G08G 500

Patent

active

044356951

ABSTRACT:
A method of predicting the approaching stall of an aircraft wing which is dependent on an inherent characteristic of the airflow as the stall is approached. The method described uses a hot-wire probe which measures the turbulence of the airflow at a predetermined location on the top surface of the wing. When the turbulence exceeds a threshold, which threshold is dependent on the air-speed, a signal is produced which indicates that a stall is imminent. The method can be particularly applied to an artificial stall warning device fitted to a transport aircraft.

REFERENCES:
patent: 2431241 (1947-11-01), Godsey
patent: 2596116 (1952-05-01), Bamber
patent: 2638579 (1953-05-01), Dyche et al.
patent: 4229725 (1980-10-01), Reilly

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